100000020122 has 8 divisors (see below), whose sum is σ = 150002872596. Its totient is φ = 49999062592.

The previous prime is 100000020083. The next prime is 100000020137. The reversal of 100000020122 is 221020000001.

It can be written as a sum of positive squares in 2 ways, for example, as 74972463721 + 25027556401 = 273811^2 + 158201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333503 + ... + 557874.

Almost surely, 2^100000020122 is an apocalyptic number.

100000020122 is a deficient number, since it is larger than the sum of its proper divisors (50002852474).

100000020122 is an equidigital number, since it uses as much as digits as its factorization.

100000020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947472.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 100000020122 its reverse (221020000001), we get a palindrome (321020020123).

The spelling of 100000020122 in words is "one hundred billion, twenty thousand, one hundred twenty-two".